Canada

Otto Holden — 243 MW Hydroelectric

Hydroelectric Renewable Verified

Otto Holden is a 243 MW hydro power plant located in Canada. View location, capacity, and technical details.

Capacity
243 MW

Installed

Commissioned
1998

Year online

Owner
Ontario Power Generation (OPG)

Operator

Location
46.38, -78.73

Coordinates

Insights

#146
largest in %s
#1,269
largest %s worldwide
#6,781
largest worldwide
1998
%d yrs newer than avg
3
operated by %s
12
plants within 100 km

Technical Details

Fuel Type
Hydroelectric
Capacity
243 MW
Commissioned
1998
Status
Operational
Owner
Ontario Power Generation (OPG)
Country
Canada
Coordinates
46.378, -78.728

Estimated Carbon Footprint

Annual CO₂
20,435 t

tonnes / year

Lifetime CO₂
1.6M t

over ~%d yrs

Intensity
24 g

gCO₂ per kWh

Annual emissions equal to

4,442
cars / year
2,725
homes / year
928,879
trees to offset

Renewable source — life-cycle emissions only (materials/construction), no direct combustion. Open calculator

Nearby Stations

About this plant

The Otto Holden Hydropower Facility, ranked 146th among 1,334 power generation plants in Canada, demonstrates the significance of hydroelectric power in the country’s diverse energy landscape, boasting a capacity of 243 MW. This facility, owned and operated by Ontario Power Generation (OPG), contributes approximately 0.13% to Canada’s total installed capacity of 193,190 MW. Hydro represents the dominant fuel type in the Canadian energy sector, with a staggering 612 hydro plants collectively producing a significant portion of the nation’s electricity. Otto Holden employs state-of-the-art hydroelectric technology, which efficiently converts the energy of flowing water into electrical power, making it both a reliable and environmentally sustainable energy source. Situated near the Tembec Témiscaming 1-2 biomass facility, which has a capacity of 58.1 MW, Otto Holden is part of a broader regional energy strategy that values diverse fuel types while relying heavily on hydroelectricity. The proximity of these plants highlights the importance of integrated energy systems in ensuring a stable and resilient power supply. Compared to the average capacity of Canadian hydro plants, Otto Holden reflects a consistent commitment to optimizing energy production while maintaining environmental standards. The operator, OPG, has a long-standing history in the region, with operations that date back several decades, underscoring a commitment to providing clean energy solutions. As Canada moves towards ambitious climate goals, the Otto Holden facility is well-positioned to support both local and national energy needs while facilitating the transition to a more sustainable energy future.

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